1254984737641 has 2 divisors, whose sum is σ = 1254984737642. Its totient is φ = 1254984737640.

The previous prime is 1254984737627. The next prime is 1254984737687. The reversal of 1254984737641 is 1467374894521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1226990428416 + 27994309225 = 1107696^2 + 167315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254984737641 - 2⁵ = 1254984737609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1254984737641.

It is not a weakly prime, because it can be changed into another prime (1254984797641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627492368820 + 627492368821.

It is an arithmetic number, because the mean of its divisors is an integer number (627492368821).

Almost surely, 2^{1254984737641} is an apocalyptic number.

It is an amenable number.

1254984737641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254984737641 is an equidigital number, since it uses as much as digits as its factorization.

1254984737641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 61.

The spelling of 1254984737641 in words is "one trillion, two hundred fifty-four billion, nine hundred eighty-four million, seven hundred thirty-seven thousand, six hundred forty-one".